/*
 * Copyright (C) 2012 ARM Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include <seminix/pagesize.h>
#include <seminix/linkage.h>
#include <seminix/cache.h>
#include <asm/assembler.h>

/*
 * Copy a buffer from src to dest (alignment handled by the hardware)
 *
 * Parameters:
 *	x0 - dest
 *	x1 - src
 *	x2 - n
 * Returns:
 *	x0 - dest
 */
    .macro ldrb1 ptr, regB, val
    ldrb  \ptr, [\regB], \val
    .endm

    .macro strb1 ptr, regB, val
    strb \ptr, [\regB], \val
    .endm

    .macro ldrh1 ptr, regB, val
    ldrh  \ptr, [\regB], \val
    .endm

    .macro strh1 ptr, regB, val
    strh \ptr, [\regB], \val
    .endm

    .macro ldr1 ptr, regB, val
    ldr \ptr, [\regB], \val
    .endm

    .macro str1 ptr, regB, val
    str \ptr, [\regB], \val
    .endm

    .macro ldp1 ptr, regB, regC, val
    ldp \ptr, \regB, [\regC], \val
    .endm

    .macro stp1 ptr, regB, regC, val
    stp \ptr, \regB, [\regC], \val
    .endm

    .global memcpy
ENTRY(__memcpy)
ENTRY(memcpy)
#include "copy_template.S"
    ret
ENDPIPROC(memcpy)
ENDPROC(__memcpy)
